CN115041241A - Expose cabin body convenient to pollutant gas circulation - Google Patents
Expose cabin body convenient to pollutant gas circulation Download PDFInfo
- Publication number
- CN115041241A CN115041241A CN202210362963.0A CN202210362963A CN115041241A CN 115041241 A CN115041241 A CN 115041241A CN 202210362963 A CN202210362963 A CN 202210362963A CN 115041241 A CN115041241 A CN 115041241A
- Authority
- CN
- China
- Prior art keywords
- shell
- pollutant gas
- pollutant
- stirring fan
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 65
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 65
- 230000004087 circulation Effects 0.000 title claims abstract description 19
- 238000003756 stirring Methods 0.000 claims abstract description 54
- 238000010171 animal model Methods 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 79
- 238000005070 sampling Methods 0.000 claims description 8
- 239000000356 contaminant Substances 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 238000007664 blowing Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 210000002345 respiratory system Anatomy 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 206010011224 Cough Diseases 0.000 description 2
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 2
- 241000700159 Rattus Species 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008821 health effect Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 201000005202 lung cancer Diseases 0.000 description 2
- 208000020816 lung neoplasm Diseases 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052815 sulfur oxide Inorganic materials 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 241000700198 Cavia Species 0.000 description 1
- 241000700199 Cavia porcellus Species 0.000 description 1
- 208000006545 Chronic Obstructive Pulmonary Disease Diseases 0.000 description 1
- 208000014085 Chronic respiratory disease Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000699666 Mus <mouse, genus> Species 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 210000001552 airway epithelial cell Anatomy 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008499 blood brain barrier function Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000001218 blood-brain barrier Anatomy 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 208000013116 chronic cough Diseases 0.000 description 1
- 210000004081 cilia Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 210000004969 inflammatory cell Anatomy 0.000 description 1
- 230000002757 inflammatory effect Effects 0.000 description 1
- 208000030603 inherited susceptibility to asthma Diseases 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
- B01L1/02—Air-pressure chambers; Air-locks therefor
- B01L1/025—Environmental chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Health & Medical Sciences (AREA)
- Clinical Laboratory Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention relates to the technical field of experimental equipment, and discloses an exposure cabin body convenient for pollutant gas circulation, which comprises a shell, wherein a gas outlet and a gas inlet are arranged on the shell, a storage rack used for placing experimental animals is arranged in the shell, a pollutant gas stirring system is also arranged in the shell, and the pollutant gas stirring system comprises a vertical stirring fan and a horizontal stirring fan, wherein the vertical stirring fan is arranged on the shell and used for vertically blowing air, and the horizontal stirring fan is used for horizontally blowing air. Vertical stirring fan is vertical to be bloied to pollutant gas, make pollutant gas flow along vertical direction, horizontal stirring fan is bloied to pollutant gas level, make pollutant gas flow along the horizontal direction, consequently vertical stirring fan, under the horizontal stirring fan synergism, pollutant gas in the shell is vertical, the level makes progress circulation flow and takes a breath, avoid the pollutant gas layering, the pollutant gas that makes different positions in the shell constitutes and relevant component content the same, guarantee the accuracy that pollutant gas infects and exposes the experimental result.
Description
Technical Field
The invention relates to the technical field of experimental equipment, in particular to an exposed cabin body convenient for circulation of pollutant gas.
Background
With the rapid increase in the number of motor vehicles, the Traffic-related air pollution (TRAP) problem is becoming more and more prominent. The main pollutant species of TRAP include Particulate Matter (PM), volatile organic compounds (VOCs: alkanes), Polycyclic Aromatic Hydrocarbons (PAHs), carbon monoxide (CO), nitrogen oxides (NOx), sulfur oxides (SOx), Hydrocarbons (HC), heavy metal ions, and the like. In 9 months 2021, the latest evaluation by the world health organization states that about 700 million people die each year due to diseases related to air pollution, such as chronic respiratory diseases, stroke, cardiovascular diseases, lung cancer and other cancers.
The respiratory system of human body is the first barrier for the body to defend against external harmful substances, and the damage to the respiratory system is the first time. Particulate matters, particularly fine particulate matters, attachments thereof and the like in motor vehicle exhaust can be sucked into small air passages by a human body to enter alveoli, and reach all tissues and organs of a body through blood circulation and blood brain barriers, so that the health of the human body is damaged. PM2.5 is the particles which are the most harmful to human health in fine particles, and if the excessive deposition of the airway particles exceeds the maximum cilium clearing load, the particles stimulate the airway, so that the inflammatory mediator in airway epithelial cells is released and increased, inflammatory cell infiltration is caused, and a series of respiratory system related diseases such as cough high-sensitivity chronic cough, bronchial asthma, chronic obstructive pulmonary disease, lung cancer and the like are caused or aggravated, so that the research on the influence of different pollutant gases on the biological health effect and the possible mechanism thereof has important significance.
The pollutant gas exposure experimental cabin is important equipment for basic research such as animal exposure experiment, different experimental animals (such as guinea pig, rat, mouse and the like) survive and receive pollutant gas contamination exposure in the exposure experimental cabin, and the reaction of the different experimental animals to the pollutant gas and related health effects are researched by fixing or changing the concentration of the pollutant gas in the exposure experimental cabin.
The existing exposure experiment chamber generally comprises a chamber body, the exposure experiment chamber adopts a ventilation design of pollutant gas dynamic balance, an air outlet and an air inlet are formed in the chamber body, motor vehicle tail gas or other pollutant gas enters the chamber body through the air inlet, an experimental animal is subjected to an exposure experiment in the chamber body, the state of the experimental animal and the gas change in the chamber body are detected through detection equipment, namely when the required pollutant concentration is achieved in the chamber body, the normal temperature, humidity, oxygen amount and carbon dioxide amount can be maintained in the chamber. And the exposed pollutant waste gas and the waste gas generated by the survival of the experimental animal are discharged through the gas outlet. The existing cabin is usually in a multi-layer form, and a plurality of cages are arranged in a stacked manner, and a plurality of experimental animals (generally 5 guinea pigs or rats, 10 mice, etc.) can be placed in each cage.
As disclosed in application publication No. CN101832887B, a compact environmental test chamber for pollutant release studies includes: the small environment test chamber structure does not contain a filler and a binder which releases organic compounds, and the small environment test chamber structure adopts electropolished stainless steel as an inner surface material, so that the inner wall is smooth and has no adsorption effect and no chemical reaction activity. The cabin body door is provided with an opening, and the opening is provided with a nonadsorption seal with good air tightness so as to be convenient for loading a sample to be tested and cleaning. The cabin body is provided with an air inlet, an air outlet and a temperature and humidity detector.
However, the pollutant gas is generally arranged in layers after being influenced by gravity, and the content of the pollutant gas at different heights may be different, so that the pollutant gas in the environment of different experimental animals is different, and the accuracy of the experimental result is influenced.
Disclosure of Invention
The purpose of the invention is: the exposed cabin body convenient for the circulation of pollutant gas is provided to solve the problems that the pollutant gas in the cabin body in the prior art is layered, and the accuracy of an experimental result is influenced due to different pollutant gases in the environments of different experimental animals.
In order to achieve the purpose, the invention provides an exposure cabin body convenient for pollutant gas to circulate, which comprises a shell, wherein an air outlet and an air inlet are arranged on the shell, a commodity shelf for placing experimental animals is arranged in the shell, and a pollutant gas stirring system is also arranged in the shell and comprises a vertical stirring fan and a horizontal stirring fan, wherein the vertical stirring fan is arranged on the shell and is used for vertically blowing air, and the horizontal stirring fan is used for horizontally blowing air.
Preferably, the horizontal agitating fans are arranged at intervals in a vertical direction at least two.
Preferably, two adjacent horizontal agitating fans are oppositely arranged.
Preferably, the article placing shelf is arranged in plurality at intervals along the vertical direction, and the horizontal stirring fan is arranged on one side of each article placing shelf.
Preferably, the air outlet is disposed at the top of the housing, the air inlet is disposed at the bottom of the housing, and the wind direction of the horizontal agitating fan at the bottommost part faces away from the air inlet.
Preferably, the vertical agitation fan is disposed at a top of the housing.
Preferably, the vertical interval between two adjacent commodity shelves is 30-40 cm.
Preferably, a plurality of sampling detection ports are also arranged on the shell.
Compared with the prior art, the exposed cabin body convenient for the circulation of pollutant gas has the beneficial effects that: arrange pollutant gas mixing system in the shell of the cabin body, pollutant gas mixing system's perpendicular stirring fan is vertical to the pollutant gas in the shell and bloies, make pollutant gas flow along vertical direction, horizontal stirring fan is horizontal to pollutant gas and bloies, make pollutant gas flow along the horizontal direction, consequently perpendicular stirring fan, horizontal stirring fan under the synergism, pollutant gas in the shell is vertical, the level is the circulation flow ventilation that makes progress, avoid the pollutant gas layering, the pollutant gas that makes different positions in the shell constitutes and relevant component content is the same, guarantee the accuracy that pollutant gas infects the exposure experimental result.
Drawings
FIG. 1 is a schematic view of the structure of the exposed cabin body of the present invention for facilitating the circulation of contaminant gases.
In the figure, 1, a housing; 11. an air outlet; 12. an air inlet; 2. a rack; 3. a vertical stirring fan; 4. a horizontal stirring fan; 5. and sampling the detection port.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
A preferred embodiment of an exposure chamber body for facilitating the circulation of a contaminant gas according to the present invention, as shown in fig. 1, comprises an outer shell 1 and a contaminant gas agitation system arranged within the outer shell 1 for disturbing the gas flow within the outer shell 1 to avoid gas stratification.
The shell 1 is the rectangle structure, has arranged gas outlet 11 and air inlet 12 on the shell 1, and air inlet 12 is used for carrying experimental gas in to the shell 1, like diesel engine tail gas etc. and gas outlet 11 is used for the waste gas that outwards discharges the laboratory object and produce. The gas outlet 11 is arranged at the top of the shell 1, the gas inlet 12 is arranged at the bottom of the shell 1, so that the experimental gas is gradually transmitted from the bottom to the top, and the waste gas is discharged from the top. The shell 1 is made of stainless steel materials, and the glass observation window is arranged on the front side of the shell 1, so that the state of the experimental animal can be observed in real time. The shelf 2 is also arranged in the shell 1, and the shelf 2 is used for placing experimental objects such as mice and the like. Pulleys are arranged at the bottom of the shell 1 so as to integrally move the cabin body.
The pollutant gas stirring system comprises a vertical stirring fan 3 and a horizontal stirring fan 4 which are arranged on the shell 1, wherein the vertical stirring fan 3 is used for vertically blowing air, the horizontal stirring fan 4 is used for horizontally blowing air, and the vertical stirring fan 3 and the horizontal stirring fan 4 are axial flow fans. Under the synergistic effect of the vertical stirring fan 3 and the horizontal stirring fan 4, the gas in the shell 1 circularly flows and ventilates vertically and horizontally upwards, so that the layering of pollutant gas can be avoided, and the gas content at different positions in the shell 1 is the same.
The horizontal stirring fans 4 are arranged at intervals in the vertical direction, and the plurality of horizontal fans blow air at different heights respectively to increase the flowability of the air. Two adjacent horizontal stirring fans 4 of vertical direction are arranged relatively, and two horizontal stirring fans 4 face to face blow, and the wind direction is opposite, can increase turbulent production when the wind direction is counterpulsation, and the gas mixing of being convenient for makes the gas composition between the different layers keep unanimous.
Preferably, supporter 2 has a plurality ofly along vertical direction interval arrangement, and the vertical interval between two adjacent supporter 2 is 30-40 cm, and supporter 2 has a plurality ofly and the layering arranges, can increase the quantity of subject, reduces the contingency. The vertical space between the article placing frames 2 provides an air channel for the air flow, so that the air is convenient to mix; the height of 30-40 cm is convenient for accommodating the experimental object, and the space in the cabin is utilized more greatly.
Preferably, horizontal stirring fan 4 has been arranged respectively to one side of every layer of thing frame 2, and horizontal stirring fan 4 is corresponding with supporter 2 one-to-one promptly, and the gas that every layer of thing frame 2 corresponds the height all can be carried out the horizontal flow by the disturbance of horizontal stirring fan 4, takes a breath for the subject on the supporter 2, makes the subject be in the same gaseous environment, guarantees the uniformity of subject's environment.
The air outlet 11 is arranged on the top wall of the shell 1, the air inlet 12 is arranged at the bottom of the side wall of the shell 1, the vertical stirring fan 3 is arranged at the top of the shell 1, and the wind direction of the bottommost horizontal stirring fan 4 deviates from the air inlet 12. Vertical stirring fan 3 blows gas from top to bottom, and the horizontal stirring fan 4 of bottommost blows gas to the position of keeping away from air inlet 12, and vertical stirring fan 3 and horizontal stirring fan 4 make the internal gas of cabin and the experimental gas of entering between the opposite direction flow, produce the turbulent flow and mix with higher speed to make the internal gas concentration in cabin balanced, can also increase the dwell time of admitting air in the cabin, improve the precision of experimental result.
Preferably, a plurality of sampling detection ports 5 are arranged on the housing 1, in the embodiment, the sampling detection ports 5 are arranged on the top of the housing 1, and the sampling detection ports 5 are arranged at intervals along the horizontal direction; in other embodiments, the sample detection port 5 is disposed on a side of the housing 1 to facilitate placement of a plurality of detection devices for connection to the sample detection port. The sampling detection ports 5 are used for being connected with peripheral detection equipment to monitor gas changes in the cabin body in real time, and the sampling detection ports 5 can respectively collect different information including temperature, humidity, gas concentration and the like.
To sum up, the embodiment of the present invention provides an exposure cabin body convenient for the circulation of pollutant gases, wherein a pollutant gas stirring system is arranged in a shell of the cabin body, a vertical stirring fan of the pollutant gas stirring system vertically blows the pollutant gases in the shell to make the pollutant gases flow along a vertical direction, a horizontal stirring fan horizontally blows the pollutant gases to make the pollutant gases flow along a horizontal direction, therefore, under the synergistic effect of the vertical stirring fan and the horizontal stirring fan, the pollutant gases in the shell circularly flow and ventilate in the vertical direction and the horizontal direction, the pollutant gases are prevented from being layered, the pollutant gas compositions and related component contents at different positions in the shell are the same, and the accuracy of the pollutant gas exposure experimental result is ensured.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides an expose cabin body convenient to pollutant gas circulation, its characterized in that, includes the shell, gas outlet and air inlet have been arranged on the shell, be arranged the supporter that is used for placing experimental animals in the shell, pollutant gas mixing system has still been arranged in the shell, pollutant gas mixing system is including arranging perpendicular stirring fan that is used for vertical blast and the horizontal stirring fan that is used for the horizontal blast on the shell.
2. An exposure chamber body for facilitating the circulation of contaminant gases according to claim 1, wherein at least two of the horizontal agitating fans are spaced apart vertically.
3. An exposed cabin body for facilitating the circulation of pollutant gases according to claim 2, wherein two adjacent horizontal stirring fans are oppositely arranged.
4. An exposure cabin body convenient for the circulation of pollutant gas according to claim 2, characterized in that a plurality of the article placing frames are arranged at intervals along the vertical direction, and one side of each article placing frame is respectively provided with the horizontal stirring fan.
5. An exposed cabin body facilitating the circulation of pollutant gases according to claim 2, wherein the air outlet is arranged at the top of the outer shell, the air inlet is arranged at the bottom of the outer shell, and the wind direction of the bottommost horizontal stirring fan is directed away from the air inlet.
6. An exposed cabin body for facilitating the circulation of contaminant gases according to claim 5, wherein the vertical agitator fan is arranged at the top of the outer shell.
7. An exposed cabin body convenient for the circulation of pollutant gases according to claim 4, characterized in that the vertical spacing between two adjacent shelves is 30-40 cm.
8. An exposure cabin body facilitating the circulation of pollutant gases according to any one of claims 1 to 7, wherein a plurality of sampling test ports are further arranged on the outer shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362963.0A CN115041241A (en) | 2022-04-07 | 2022-04-07 | Expose cabin body convenient to pollutant gas circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362963.0A CN115041241A (en) | 2022-04-07 | 2022-04-07 | Expose cabin body convenient to pollutant gas circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115041241A true CN115041241A (en) | 2022-09-13 |
Family
ID=83157836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210362963.0A Pending CN115041241A (en) | 2022-04-07 | 2022-04-07 | Expose cabin body convenient to pollutant gas circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115041241A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832887A (en) * | 2010-05-19 | 2010-09-15 | 南昌大学 | Small-sized environmental test chamber for pollutant release researches |
| CN208953519U (en) * | 2018-07-20 | 2019-06-07 | 宁德师范学院 | A kind of novel tea Quality Detection collection device |
| CN209004516U (en) * | 2018-08-29 | 2019-06-21 | 广州吉妮欧生物科技有限公司 | Controllable type zoopery oxygen cabin device |
| CN209042906U (en) * | 2018-09-30 | 2019-06-28 | 张利勇 | A kind of animal epidemic use for laboratory air dry oven |
| CN209456516U (en) * | 2018-11-16 | 2019-10-01 | 大连烨龙特钢有限公司 | A kind of combustion gas annealing furnace device for detecting cleanliness of furnace gas |
| CN112869907A (en) * | 2021-01-11 | 2021-06-01 | 吴婷婷 | Poison gas experimental apparatus for mouse |
-
2022
- 2022-04-07 CN CN202210362963.0A patent/CN115041241A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832887A (en) * | 2010-05-19 | 2010-09-15 | 南昌大学 | Small-sized environmental test chamber for pollutant release researches |
| CN208953519U (en) * | 2018-07-20 | 2019-06-07 | 宁德师范学院 | A kind of novel tea Quality Detection collection device |
| CN209004516U (en) * | 2018-08-29 | 2019-06-21 | 广州吉妮欧生物科技有限公司 | Controllable type zoopery oxygen cabin device |
| CN209042906U (en) * | 2018-09-30 | 2019-06-28 | 张利勇 | A kind of animal epidemic use for laboratory air dry oven |
| CN209456516U (en) * | 2018-11-16 | 2019-10-01 | 大连烨龙特钢有限公司 | A kind of combustion gas annealing furnace device for detecting cleanliness of furnace gas |
| CN112869907A (en) * | 2021-01-11 | 2021-06-01 | 吴婷婷 | Poison gas experimental apparatus for mouse |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Cheng et al. | Inhalation exposure systems | |
| Drew et al. | Environmental inhalation chambers | |
| Barber et al. | Spatial variability of airborne and settled dust in a piggery | |
| Shen et al. | Distribution of particulate matter and ammonia and physicochemical properties of fine particulate matter in a layer house | |
| MacFARLAND | Designs and operational characteristics of inhalation exposure equipment-a review | |
| Xu et al. | Airborne bacterial communities in the poultry farm and their relevance with environmental factors and antibiotic resistance genes | |
| CN109804935A (en) | Biological safe type big animal raising device | |
| O'Shaughnessy et al. | A small whole-body exposure chamber for laboratory use | |
| CN115041241A (en) | Expose cabin body convenient to pollutant gas circulation | |
| CN115040286A (en) | Gaseous stable pollutant gas exposes cabin | |
| CN115041242A (en) | Novel pollutant gas exposure cabin body | |
| Pelliccioni et al. | Development and validation of an intra-calibration procedure for MiniDISCs measuring ultrafine particles in multi-spatial indoor environments | |
| Schreck et al. | Experimental conditions in GMR chronic inhalation studies of diesel exhaust | |
| US8281809B1 (en) | Aerosol inlet flow modulator | |
| Wang et al. | Size-segregated physicochemical properties of inhalable particulate matter in a tunnel-ventilated layer house in China | |
| Lo et al. | Engineering controls for nano-scale graphene platelets during manufacturing and handling processes | |
| CN114791304A (en) | Sealed pollutant gas exposes cabin body | |
| CN210354980U (en) | Smoke toxicant exposure device | |
| Morawska et al. | Particulate matter in the hospital environment | |
| CN114788981A (en) | Pollutant gas exposes cabin experimental apparatus and exhaust treatment system thereof | |
| Zhang et al. | Dynamics and numerical simulation of contaminant diffusion for a non-flushing ecological toilet | |
| CN205925433U (en) | Air treatment manages and is used for air treatment equipment system of production line | |
| Thompson | Respirable dust in fan and naturally ventilated hog barns | |
| CN202041520U (en) | Combined moving type gas fog inhalation contamination device | |
| Hoskins et al. | The construction and validation of a high containment nose-only rodent inhalation facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |